Temperature-dependent photoluminescence of Co-evaporated MAPbI3 ultrathin films

Ziyi Shao,Siwen You,Xiao Guo,Junting Xiao,Jinxin Liu,Fei Song,Haipeng Xie,Jiatao Sun,Han Huang

Results in Physics（2022）

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摘要

•Revealing the temperature-dependent PL properties of MAPbI3 ultrathin films with long-term stability and high quality.•Showing the phase transition of MAPbI3 ultrathin films from tetragonal one to orthorhombic one at 118 K.•Demonstrating that PL is more sensitive than XPS to detect trace MAPbI3-like materials with strong luminescence properties.

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关键词

MAPbI3,Co-evaporation,Photoluminescence spectra,Stability

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